Job ID 509839 Posted since 12-Jun-2026 Organization Smart Infrastructure Field of work Manufacturing Company Siemens Industry, Inc. Experience level Mid-level Professional Job type Full-time Work mode Office/ Site only Employment type Permanent Location(s) Pomona - California - United States of America Here at Siemens, we take pride in enabling sustainable progress through technology. We do this through empowering customers by combining the real and digital worlds. Improving how we live, work, and move today and for the next generation! We know that the only way a business thrives is if our people are thriving. That’s why we always put our people first. Our global, diverse team would be happy to support you and challenge you to grow in new ways. Who knows where our shared journey will take you? Transform the everyday with us! We are looking for a Maintenance Supervisor. This position will be based in Pomona, CA. Position Overview. The Maintenance Supervisor position is responsible for leading the day-to-day maintenance activities within the manufacturing plant. The supervisor will lead 4 employees. Responsibilities: - Responsible for equipment maintenance, ensuring optimal performance and minimal downtime with a proactive and urgent approach. - Plans and propose maintenance budgets, strategically prioritizing expenditures to maximize operational efficiency. - Serves as the main technical expert and point of contact for all building infrastructure topics, collaborating closely with the facilities team to ensure optimal building performance and compliance - Leads effective collaboration with external suppliers and maintenance service providers, fostering strong partnerships. - Leads plant training programs for maintenance personnel. - Ensuring tasks are completed in accordance with Siemens EH&S policies and OSHA regulations. - Leads teams of Maintenance Technicians in predictive & preventative maintenance and machine repair, instilling a results-driven work ethic and a culture of ownership. - Responsible for the development, implementation, and day-to-day supervision of maintenance systems, processes and documentation associated with efficient and Robust Manufacturing Organizations (Preventive and Predictive Maintenance, TPM, OEE, SOP’s, Safety, etc.). - Ensures maintenance is scheduled in a timely manner and works closely with Production to schedule and accomplish equipment and facility repairs. - Excellent communication skills and a responsive approach to inquiries are crucial. All listed tasks and responsibilities are deemed as essential functions to this position; however, business conditions may require reasonable accommodation for additional tasks and responsibilities. You will win us over by having the following qualifications:Basic Qualifications: - 4 years’ experience leading a maintenance team including general manufacturing practices, manufacturing engineering. - Demonstrated strong work ethic and a commitment to excellence. - Detailed knowledge of maintenance systems, work order processes, preventive/predictive maintenance, TPM, inventory and CMMS, preferred. - Experience in ERP systems, ex: SAP - Preferred Qualifications - BS degree in mechanical, or related engineering degree - Knowledge and experience of Total Productive Maintenance systems. - Proficient computer skills: Microsoft Word, PowerPoint, Excel and Outlook.